Goodwill and Acquired Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jun. 06, 2014	Mar. 31, 2016	Apr. 03, 2015	Apr. 04, 2014
Finite-Lived Intangible Assets [Line Items]
Decrease in goodwill related to foreign currency translation		$ 200
Change in goodwill			$ 33,600
Amortization of acquired intangible assets		$ 16,438	17,966	$ 14,614
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Other acquired intangible assets estimated useful lives		2 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Other acquired intangible assets estimated useful lives		10 years
Engreen [Member]
Finite-Lived Intangible Assets [Line Items]
Other acquired assets related to acquisition		$ 7,700
NetNearU [Member]
Finite-Lived Intangible Assets [Line Items]
Other acquired assets related to acquisition	$ 24,310		24,300
NetNearU [Member] | Government Systems [Member]
Finite-Lived Intangible Assets [Line Items]
Change in goodwill related to an acquisition			$ 34,600